ADVANCED COMMUNICATION SYSTEM - ACS 235 Mk3

General Description
Product Specifications
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Product Manufacturer
Hindustan Aeronautics Limited (HAL)
Designing/Manufacturing agency
Designed & Developed by SLRDC
Product Description

Airborne V/UHF Transceiver intended to provide Normal/ Secure, Jam Resistant Voice
communication for Air to Ground and Air to Air in V/UHF bands.



 

Features/Roles/Variants of the product
Features ECCM in the tactical frequency bands and is suitable for any high speed, high dynamic airborne platforms.
Capable of providing point-to-point data link at 64 Kbps data rate with inbuilt FEC, Encryption and ECCM features.
Interoperable in ECCM/Secure Voice modes with other variants of ACS235 Tx/Rx units fitted on ALH, LCH, LUH and Cheetah/ Chetak helicopters.
Interoperable in ECCM/Secure Voice modes with LUP-329 Manpack Ground Radio used by Indian Navy and Coast Guard.
Multi-Mode, Multi-Band, V/UHF Airborne Transceiver.
Good Co-location for multiple Radio Installations.
Emergency Guard Receiver for 40.5, 121.5, 156.8 and 243 MHZ.
FH for TRANSEC and Encryptiorof COMSEC
64 kbps point to point Data mode for image, short text message, utility data and template based data transfer.64 kbps point to point Data mode for image, short text message, utility data and template based data transfer.
Product Specification
Basic Information
Frequency Range - 30 - 407 MHz (Voice), 225 - 400 MHz (Data)
Channel Spacing - 8.33kHz; 12.5kHz; 25kHz
Modulation Formats - AM, FM & FSK (Voice), GMSK (Data)
Power supply - 28VDC
Control - MIL-STD-1553B (Voice), RS-422 (Data)
MAIN RECEIVER
Sensitivity - 101 dBm (FM 3kHz modulation) (10dBSinad) | 101 dBm (AM 30% modulation) | 95 dBm (Secure, ECCN & Data mode)
IF/Image Rejection - > 80 dB
GUARD RECEIVER
Frequencies - 40.5 MHZ, 121.5 MHz, 156.8 MHZ,243 MHz
Sensitivity - 95 dBm (FM) | 95 dBm (AM)
TRANSMITTER
RF Output Power - 10W(AM),32.4W(PEP AM) 15W(FM)
Harmonics - 60dBc
Spurious emissions - 80dBc
ENVIRONMENTAL
Operating Temperature - -40°Cto+70°C
Vibration, Shock - MIL-STD-810F
Supply variations - MIL-STD-704E
EMC - MIL-STD-461C
Altitude - 7 Kms
PHYSICAL
Size(D x H x W)mm - 318 x 195 x 124(½ATR Short)
Weight - ‹ 8k
Contact : prasenjit[at]hal-india[dot]co[dot]in